This underused feature is quite helpful. Most dialog boxes in AutoCAD have a questionmark button on their title bars, next to the close box X. Click the ? button, and the cursor will display a question-mark icon next to the pointer. Now, click any part of the dialog box you’re interested in querying. A tooltip appears that displays information about the control you selected. This is a great way to learn which system variables the Graphical User Interface (GUI) elements control. It’s also much faster than going through standard Help. For example, open the Options dialog (right-clicking the command line is a quick way to get to Options). Select the 3D Modeling tab, and click the question-mark button. Then, click the Visual Style While Creating 3D Objects drop-down list. The tooltip describes this dropdown’s function in more verbose prose, and it also reveals the name of the associated system variable — DRAGVS, in this example. AutoCAD® WI L E Y P U B L I S H I N G , I N C ...
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